ducks soar again

I don't now if everybody knows this, but the Concorde (a supersonic airplane -- 2200 km/h, 1 km = 1.6 m and I'm not gonna bother recalculating it) has flewn it's last flight today.

With this superplane out of the air, ducks rule the skies again!

(5 minutes of work, no seriousness involved